Fuzz introspector: fuzz_libinfo
For issues and ideas: https://github.com/ossf/fuzz-introspector/issues

Fuzz blockers

The followings are the branches where fuzzer fails to bypass.

Unique non-covered Complexity Unique Reachable Complexities Unique Reachable Functions All non-covered Complexity All Reachable Complexity Function Name Function Callsite Blocked Branch
6 6 1 :

['clock_gettime']

10 10 mhd_mclock_init_once call site: 00013 /src/mhd2/src/mhd2/mhd_mono_clock.c:395
0 0 None 16 55 mhd_lib_init_global_if_needed call site: 00007 /src/mhd2/src/mhd2/mhd_lib_init.c:421
0 0 None 14 53 mhd_lib_init_global_if_needed call site: 00010 /src/mhd2/src/mhd2/mhd_lib_init.c:426
0 0 None 14 14 mhd_lib_init_global_if_needed call site: 00010 /src/mhd2/src/mhd2/mhd_lib_init.c:428
0 0 None 2 2 mhd_mclock_init_once call site: 00017 /src/mhd2/src/mhd2/mhd_mono_clock.c:549
0 0 None 0 30 MHD_lib_get_info_dynamic_sz call site: 00006 /src/mhd2/src/mhd2/lib_get_info.c:517
0 0 None 0 0 mhd_lib_global_lazy_init call site: 00009 /src/mhd2/src/mhd2/mhd_lib_init.c:196
0 0 None 0 0 iov_max_init_ call site: 00021 /src/mhd2/src/mhd2/mhd_send.c:156

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 MHD_lib_get_info_fixed_sz [function] [call site] 00001
1 MHD_lib_get_info_dynamic_sz [function] [call site] 00002
2 mhd_lib_is_fully_initialised_once [function] [call site] 00003
2 mhd_lib_is_fully_initialised_now [function] [call site] 00004
3 mhd_lib_is_fully_initialised_once [function] [call site] 00005
2 mhd_lib_init_global_if_needed [function] [call site] 00006
3 mhd_lib_global_lazy_init [function] [call site] 00007
4 mhd_panic_init_default [function] [call site] 00008
4 pthread_mutex_init [call site] 00009
3 pthread_mutex_lock [call site] 00010
3 mhd_lib_global_full_init_once [function] [call site] 00011
4 mhd_mclock_init_once [function] [call site] 00012
5 clock_gettime [call site] 00013
5 clock_gettime [call site] 00014
5 clock_gettime [call site] 00015
5 clock_gettime [call site] 00016
5 timespec_get [call site] 00017
5 time [call site] 00018
4 mhd_send_init_once [function] [call site] 00019
5 iov_max_init_ [function] [call site] 00020
6 sysconf [call site] 00021
4 mhd_tls_gnu_global_init [function] [call site] 00022
5 gnutls_check_version [call site] 00023
5 gnutls_global_init [call site] 00024
3 mhd_lib_global_full_re_init [function] [call site] 00025
4 mhd_tls_gnu_global_init [function] [call site] 00026
3 pthread_mutex_unlock [call site] 00027
3 mhd_panic [function] [call site] 00028
4 fprintf [call site] 00029
4 fprintf [call site] 00030
4 fprintf [call site] 00031
4 abort [call site] 00032
2 mhd_tls_gnu_is_inited_fine [function] [call site] 00033
2 mhd_lib_deinit_global_if_needed [function] [call site] 00034
3 pthread_mutex_lock [call site] 00035
3 mhd_panic [function] [call site] 00036
3 mhd_lib_global_full_deinit [function] [call site] 00037
4 mhd_tls_gnu_global_deinit [function] [call site] 00038
5 gnutls_global_deinit [call site] 00039
3 pthread_mutex_unlock [call site] 00040
3 mhd_panic [function] [call site] 00041